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source: trunk/sources/HeuristicLab.Tests/HeuristicLab-3.3/Samples/GATspSampleTest.cs @ 11450

Last change on this file since 11450 was 11450, checked in by bburlacu, 9 years ago

#2211: Separated samples class into separate test classes. Added scripts unit tests (grid search classification/regression).

File size: 3.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.IO;
23using System.Linq;
24using HeuristicLab.Algorithms.GeneticAlgorithm;
25using HeuristicLab.Encodings.PermutationEncoding;
26using HeuristicLab.Persistence.Default.Xml;
27using HeuristicLab.Problems.Instances.TSPLIB;
28using HeuristicLab.Problems.TravelingSalesman;
29using HeuristicLab.Selection;
30using Microsoft.VisualStudio.TestTools.UnitTesting;
31
32namespace HeuristicLab.Tests {
33  [TestClass]
34  public class GATspSampleTest {
35    private const string samplesDirectory = SamplesUtils.Directory;
36    [ClassInitialize]
37    public static void MyClassInitialize(TestContext testContext) {
38      if (!Directory.Exists(samplesDirectory))
39        Directory.CreateDirectory(samplesDirectory);
40    }
41
42
43    [TestMethod]
44    [TestCategory("Samples.Create")]
45    [TestProperty("Time", "medium")]
46    public void CreateGaTspSampleTest() {
47      var ga = CreateGaTspSample();
48      XmlGenerator.Serialize(ga, @"Samples\GA_TSP.hl");
49    }
50    [TestMethod]
51    [TestCategory("Samples.Execute")]
52    [TestProperty("Time", "long")]
53    public void RunGaTspSampleTest() {
54      var ga = CreateGaTspSample();
55      ga.SetSeedRandomly.Value = false;
56      SamplesUtils.RunAlgorithm(ga);
57      Assert.AreEqual(12332, SamplesUtils.GetDoubleResult(ga, "BestQuality"));
58      Assert.AreEqual(13123.2, SamplesUtils.GetDoubleResult(ga, "CurrentAverageQuality"));
59      Assert.AreEqual(14538, SamplesUtils.GetDoubleResult(ga, "CurrentWorstQuality"));
60      Assert.AreEqual(99100, SamplesUtils.GetIntResult(ga, "EvaluatedSolutions"));
61    }
62
63    private GeneticAlgorithm CreateGaTspSample() {
64      GeneticAlgorithm ga = new GeneticAlgorithm();
65      #region Problem Configuration
66      var provider = new TSPLIBTSPInstanceProvider();
67      var instance = provider.GetDataDescriptors().Where(x => x.Name == "ch130").Single();
68      TravelingSalesmanProblem tspProblem = new TravelingSalesmanProblem();
69      tspProblem.Load(provider.LoadData(instance));
70      tspProblem.UseDistanceMatrix.Value = true;
71      #endregion
72      #region Algorithm Configuration
73      ga.Name = "Genetic Algorithm - TSP";
74      ga.Description = "A genetic algorithm which solves the \"ch130\" traveling salesman problem (imported from TSPLIB)";
75      ga.Problem = tspProblem;
76      SamplesUtils.ConfigureGeneticAlgorithmParameters<ProportionalSelector, OrderCrossover2, InversionManipulator>(
77        ga, 100, 1, 1000, 0.05);
78      #endregion
79      return ga;
80    }
81  }
82}
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